Home / 447,216.04-617,154.78-253,660.60

Finding the Fourth Proportional to 447,216.04, 617,154.78 and 253,660.60

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Solution

The fourth proportional to 447,216.04, 617,154.78 and 253,660.60 is: 350,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,216.04 : 617,154.78 = 253,660.60 : x
  2. Step 2: Convert to fraction form
    447,216.04/617,154.78 = 253,660.60/x
  3. Step 3: Cross multiply
    447,216.04x = 617,154.78 × 253,660.60
  4. Step 4: Simplify right side
    447,216.04x = 156,547,851,787.67
  5. Step 5: Solve for x
    x = 156,547,851,787.67/447,216.04
  6. Step 6: Final answer
    x = 350,049.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.